Reached 10% of the all-time Passing Yards leader — a rotational/depth all-time profile at the position.
A 0–100 scale where 100 = matched the all-time leader at this position. Built only from visible encyclopedia data — career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence — so it's a transparent context score, not a subjective rating. Tiers: Elite ≥ 85 · Strong ≥ 65 · Solid ≥ 45 · Depth < 45. Comparable-player confidence: 87%.
Career Value · VORP
31 career value over replacement — #2672 all-time of 4,695. 5.2/season above a replacement-level QB.
Career Profile
Pick #19 (Rd 1) · BAL · 2003 · -15.7 vs expected KV-H
Fan Rating
Rate Kyle Boller — All-Time
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StatVault aggregates multiple open-licensed and proprietary sources into a single profile. The depth indicator above shows which layers are available for this player.
Pre-1999 players have bio + draft data but counting stats are not available from any freely-licensed source. Players with ★ Career Only see verified career aggregates from nflverse draft_picks.
Modern-era stats (1999+) come from nflverse's open data releases. Pre-1999 seasons are backfilled additively from Wikipedia and NFL.com's own official season pages — never from rights-restricted sources.
Amber = this player (normalized to own peak). Indigo = average QBs aging curve. Group peak age: 24. Source: StatVault KV-H era (1999+).
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
Major career thresholds crossed, derived from regular-season totals (1999+).
Passing
Rushing
Defense
Proprietary StatVault Metrics
College stats are not imported for this profile yet.
StatVault has the verified college attribution (California), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Last recorded season with OAK
Joined OAK (from STL)
Joined STL (from BAL)
Drafted by BAL — Round 1, Pick 19
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Era-normalized career quality — z-scored against 6-season peers. See all →
Career durability — games played vs. scheduled, across 8 seasons.
Composite score across availability, IR frequency, and injury severity. See all →
Pass Yds translated to the 2025 NFL — each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Pass Yds | Pass Yds/G | → 2025 Pass Yds | → 2025 /G |
|---|---|---|---|---|
| 2003 | 1,260 | 126 | 2,474+1,214 | 145.5 |
| 2004 | 2,559 | 159.9 | 3,090+531 | 181.8 |
| 2005 | 1,799 | 199.9 | 3,681+1,882 | 216.5 |
| 2006 | 485 | 121.3 | 2,644+2,159 | 155.5 |
| 2007 | 1,743 | 145.3 | 2,992+1,249 | 176 |
| 2009 | 899 | 128.4 | 2,586+1,687 | 152.1 |
Data: nflverse:draft_picks, nflverse:players, nflverse:combine, nflverse:player_stats, nflverse:player_stats_def, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 8/31/2026
Bruce Gradkowski
QB
85% match
2003 Draft ClassmatesFull class →
Wore 3 distinct franchise crests across 9 seasons (2003–2011) — a true nomad. The crest trail: